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kätlin john

@ktlinjohn

UX/UI Designer at W3K Tecnologia who took SaaS features from discovery to handoff and governed design systems and component libraries.

Brazil

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At W3K Tecnologia, I took end-to-end ownership of SaaS product features, from discovery to final handoff. I also created, maintained, and governed design systems and component libraries.

At Meeg Lab, I built and maintained responsive design systems and UI component libraries. I worked directly with engineering teams and applied practical HTML and CSS knowledge to connect design requirements with technical execution.

At RB Learning, I structured complex educational content into clear digital learning experiences. I applied user-centered design and information architecture to simplify workflows, improving user retention rates and reducing learning curves.

At Sulplaster, I maintained brand identity across digital and print touchpoints and designed graphic assets. I also continue to design and deliver visual assets on a freelance basis.

Experience

Work history, roles, and key accomplishments

UX/UI Designer (Mid-level)

W3K Tecnologia

Mar 2023 - Jul 2026 (3 years 4 months)

Took end-to-end ownership of SaaS product features, from discovery to final handoff. Created, maintained, and governed Design Systems and component libraries, and documented technical specs for seamless developer handoffs.

Design Systems Component Libraries Technical Documentation Developer Handoff SaaS Product Design

UX/UI Designer (Junior to Mid-Level)

Meeg Lab

Jul 2021 - Mar 2023 (1 year 8 months)

Built and maintained responsive Design Systems and UI component libraries to ensure visual consistency. Collaborated directly with engineering teams to streamline product development workflows and applied practical knowledge of HTML and CSS to bridge design and technical execution.

Design Systems UI Component Libraries Responsive Design HTML CSS Cross Functional Collaboration

Instructional Designer

RB Learning

Nov 2019 - Aug 2021 (1 year 9 months)

Structured complex educational content into clear, intuitive digital learning experiences. Applied user-centered design and information architecture principles to simplify user workflows, improving user retention rates and reducing learning curves for intricate topics.

Instructional Design Information Architecture User Centered Design User Retention Learning Experience Design

Visual Designer

Sulplaster

Mar 2018 - Dec 2020 (2 years 9 months)

Maintained brand identity across diverse touchpoints for both digital and print channels. Designed high-quality graphic assets aligned with business objectives, and continuously designed and delivered visual assets on a freelance basis.

Brand Identity Graphic Design Digital Design Print Design Visual Assets

Education

Degrees, certifications, and relevant coursework

Universidade La Salle

Postgraduate Degree in UX Design: Usability and User Experience, UX Design

Postgraduate degree in UX Design with a focus on usability and user experience, covering UX research, UX writing, visual design, UI, and universal design. Expected completion in 2027.

Universidade La Salle

Higher Education Degree in Graphic Design, Graphic Design

2018 - 2021

Higher education degree in Graphic Design, focusing on visual hierarchy, layout grid systems, brand identity, editorial layout, digital communication, and interface design.